Cape Mentelle Weather Forecast

    • 16
    • 24

    Cloudy

    • 14
    • 27

    Partly cloudy

    • 11
    • 27

    Sunny

    • 14
    • 24

    Partly cloudy

    • 11
    • 25

    Sunny

    • 13
    • 26

    Partly cloudy

    • 12
    • 28

    Mostly sunny

Today 17 Dec South West

Partly cloudy. Medium chance of showers near the south coast, near zero chance elsewhere. Winds southwesterly 20 to 30 km/h turning southerly in the late afternoon.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southerly 15 to 20 knots, reaching up to 25 knots offshore east of Cape Leeuwin in the early afternoon.
Seas
1.5 metres, increasing to 1.5 to 2 metres offshore east of Cape Leeuwin.
1st Swell
Southwesterly 3 metres.
Weather
Cloudy.
Weather Situation
A ridge extends across the southwest coast and will extend along southern WA on Thursday. A west coast trough will form early on Friday and move inland during the day ahead of a weak front passing to the south of the state. Another ridge will develop across the southwest from Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Mentelle Temperature Statistics View More

December Temperature

Cape Naturaliste (47km)

  • Lowest 6 December, 2025

    12.8 °C

  • Average December

    20.3 °C

  • Highest 14 December, 2025

    36.4 °C

Climate (2020–Present)

Cape Naturaliste (47km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    17.3 °C

  • Average High 2020–2025

    22.7 °C
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